International directory of appropriate technology resources
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| Main Authors: | , |
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| Format: | Texto biblioteca |
| Language: | |
| Published: |
Mt. Rainier, MD (USA) VITA
1979
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| Subjects: | APPROPRIATE TECHNOLOGY, RESEARCH INSTITUTIONS, TECHNOLOGIE APPROPRIEE, TECNOLOGIA APROPIADA, INSTITUTION DE RECHERCHE, INSTITUCIONES DE INVESTIGACION, |
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